Transcript for US officials look closer at mysterious explosion in Russia
Our thanks to you this To the growing mystery this U.S. Intelligence trying to figure out what really happened off the coast of Russia last week. We reported on that massive and deadly blast that released radiation. It killed more than half a dozen Russians including scientists. Let's get to Ian Pannell this morning. The Russians have been secrete tif and have said very little about this. Reporter: Growing fierce of a small nuclear explosion involving a top missile program. The explosion happened at a missile test site off the coast of roigs on Thursday. The government initially saying there had been no change in radiation levels but now local officials saying levels had briefly spiked. Residents nearby stocking up on I dine used to reduce the effects of radiation. Russian officials are remaining tight-lipped about what exactly what is being tested. It's suspected this was part of a program to develop a new nuclear powered missile that Vladimir Putin claims can reach anywhere in the world. Russia has a history of secrecy over accidents, the worst being chernobyl in 1986. Thanks to you. To an attack at a mosque in
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